本文整理汇总了Python中pygments.lexer.RegexLexer方法的典型用法代码示例。如果您正苦于以下问题：Python lexer.RegexLexer方法的具体用法？Python lexer.RegexLexer怎么用？Python lexer.RegexLexer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pygments.lexer的用法示例。
在下文中一共展示了lexer.RegexLexer方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_lexer_classes
# 需要导入模块: from pygments import lexer [as 别名]
# 或者: from pygments.lexer import RegexLexer [as 别名]
def test_lexer_classes(cls):
# test that every lexer class has the correct public API
assert type(cls.name) is str
for attr in 'aliases', 'filenames', 'alias_filenames', 'mimetypes':
assert hasattr(cls, attr)
assert type(getattr(cls, attr)) is list, \
"%s: %s attribute wrong" % (cls, attr)
result = cls.analyse_text("abc")
assert isinstance(result, float) and 0.0 <= result <= 1.0
result = cls.analyse_text(".abc")
assert isinstance(result, float) and 0.0 <= result <= 1.0
assert all(al.lower() == al for al in cls.aliases)
if issubclass(cls, RegexLexer):
inst = cls(opt1="val1", opt2="val2")
if not hasattr(cls, '_tokens'):
# if there's no "_tokens", the lexer has to be one with
# multiple tokendef variants
assert cls.token_variants
for variant in cls.tokens:
assert 'root' in cls.tokens[variant]
else:
assert 'root' in cls._tokens, \
'%s has no root state' % cls 示例2: fill_read_cache
# 需要导入模块: from pygments import lexer [as 别名]
# 或者: from pygments.lexer import RegexLexer [as 别名]
def fill_read_cache(self, filename: str, line: int) -> None:
try:
lexer = pygments.lexers.get_lexer_for_filename(
str(filename)
) # type: RegexLexer
formatter_opts = dict(linenos="inline", linespans="line", hl_lines=[line])
html_formatter = pygments.formatters.get_formatter_by_name(
"html", **formatter_opts
)
css = html_formatter.get_style_defs(".highlight")
with open(str(filename)) as f:
lines = f.readlines()
if len(lines) < 1000:
content = "".join(lines)
tokens = lexer.get_tokens(content)
source = pygments.format(tokens, html_formatter)
self.file_cache[filename][line] = (css, source)
self.file_read_cache[filename] = (lexer, content, False)
else:
minl = max(0, line - 30)
maxl = min(len(lines), line + 30)
formatter_opts = dict(
linenos="inline", linespans="line", hl_lines=[line]
)
html_formatter = pygments.formatters.get_formatter_by_name(
"html", **formatter_opts
)
css = html_formatter.get_style_defs(".highlight")
source = pygments.format(
lexer.get_tokens("".join(lines[minl:maxl])), html_formatter
)
self.file_cache[filename][line] = (css, source)
self.file_read_cache[filename] = (lexer, lines, True)
except Exception as e:
l.exception(e)
self.file_cache[filename][line] = (None, None)
self.file_read_cache[filename] = (None, None, False)